Behringer Xenyx 1002B Premium 10-Input 2-Bus Mixer with XENYX Preamps, British EQs and Optional Battery Operation Premium ultra-low noise analog mixer with optional battery operation 2 state-of-the-art XENYX Mic Preamps comparable to stand-alone boutique preamps Neo-classic ''British'' 3-band EQs for warm and musical sound Optional battery operation (with 9 V alkaline batteries) allows for mobile operation 4 balanced, high-headroom stereo inputs with 3 additional mic inputs